CN103486352A - Plastic-metal compound pipe and manufacturing method thereof - Google Patents
Plastic-metal compound pipe and manufacturing method thereof Download PDFInfo
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- CN103486352A CN103486352A CN201310359309.5A CN201310359309A CN103486352A CN 103486352 A CN103486352 A CN 103486352A CN 201310359309 A CN201310359309 A CN 201310359309A CN 103486352 A CN103486352 A CN 103486352A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B9/00—Making granules
- B29B9/02—Making granules by dividing preformed material
- B29B9/06—Making granules by dividing preformed material in the form of filamentary material, e.g. combined with extrusion
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K9/00—Use of pretreated ingredients
- C08K9/04—Ingredients treated with organic substances
- C08K9/06—Ingredients treated with organic substances with silicon-containing compounds
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L9/00—Rigid pipes
- F16L9/14—Compound tubes, i.e. made of materials not wholly covered by any one of the preceding groups
- F16L9/147—Compound tubes, i.e. made of materials not wholly covered by any one of the preceding groups comprising only layers of metal and plastics with or without reinforcement
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/18—Applications used for pipes
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Abstract
The invention provides a nanometer corrosion-resistant and antibacterial plastic-metal compound pipe. Inner layer plastic of a metal compound pipe is made by combing an inorganic nanometer antibacterial agent and plastic, and outer layer plastic of the metal compound pipe is made by combining an inorganic nanometer preservative and plastic, so that a water sterilizing function is achieved; the outer layer plastic has the characteristics of difficulty in aging, long service life and freeness from pollution; the plastic-metal compound pipe has multiple varieties and applications, and can be applied to different indoor, outdoor, household and industrial production places so as to meet the long-time demands of people on the sanitation and health of water supply pipelines.
Description
Technical field
The present invention relates to a kind of plastics and metal composite pipe and manufacture method thereof.
Background technique
In daily life, people inevitably touch by virus or various article that bacterium polluted, thereby cause the generation of various diseases.Tap water is citizen's daily necessities, and along with the variation with environment that improves constantly of people's living standard, health care consciousness also strengthens gradually.The tap water quality situation is more and more paid close attention to by everybody, therefore, produces various goods with antibacterial functions, avoids the invasion and attack harm of pathogenic microorganisms to human body, is that people are subject to less or avoid harmful bacteria infringement and sanatory developing direction.
Coating Steel Pipe in it zinc layer easily come off, and also easy-to-rust of iron pipe surface, ferrobacillus growth, rust water, polluted water not only, and the inwall corrosion produces fouling, dross and the endoporus of inner chamber is dwindled, resistance to water-flow will increase like this, thereby makes its reduction in working life.And although pure plastic pipe in use is not subject to flow-induced corrosion, make body also free from admixture enter fluid, but plastic polymer is chain-like macromolecule compound aggregates into the net high-polymer compound under the effect of catalyzer, owing to being heated, the reason such as illumination, easily cause that harmful the variation occurs for macromolecular chain fracture and chemical structure, forms the ageing of plastics phenomenon.
So someone has proposed a kind of aluminium-plastic composite pipe, although aluminium-plastic composite pipe can reach health and healthy requirement, but can not kill the harmful substances such as bacterium in water, application number is 01106225.8 for this reason, denomination of invention proposed to have the new structure of mold resistance for " a kind of inorganic nano antiseptic composite aluminium-plastic pipe ", its structure comprises plastic outer layer, outer adhesive layer, aluminium alloy layer, inner binder layer and the inner plastic that contains antimicrobial agent, it is characterized in that said antibacterial composite Al-plastic tube material used and weight percentage are:
(1) the inner plastic 40-60% that contains inorganic nano antiseptic, wherein, inner plastic contains 0.2～3% inorganic nano antiseptic, and 97～99.8% polyvinyl plastics is made;
(2) outer layer plastic 10～30%;
(3) aluminium alloy layer 10～40%;
(4) inside and outside sticker layer 0.5～15%.
Though the water pipe of this structure has certain bactericidal property to water quality, but its outer field plastics are easy to occur deterioration phenomenon by ultraviolet irradiation, thereby make metallic aluminium directly be exposed to the external world, because of metallic aluminium itself, be the very active element of a kind of chemical property again, perishable, like this time slightly long, water pipe will break because of hydraulic pressure, and will shorten the working life of composite pipe, to the user, cause damage.It is few that this composite pipe also has the kind that a shortcoming is its composite pipe in addition, just adopt a kind of metal, be the main body framework of metallic aluminium as composite pipe, and the metallic aluminium material is softer, the intensity of this composite pipe does not reach relative national standards, can not be applied on outdoor water pipe, be not suitable on industrial large-scale pipeline yet, therefore its using scope is narrower, and kind is single, all can bring certain restriction to the exploitation of composite pipe product and to the development of enterprise like this, also limit its applying on market.On the other hand, a lot of buildings need to use high strength, pollution-free, the water pipe of health environment-friendly, in some industrial production occasions, also need strength ratio larger, the pipeline of health environment-friendly, particularly in the occasion of the anti-certain pressure of needs, especially true, so its structure needs to improve, finally, due to the tubing that adopts different skeletons, certainly will cause the production method of producing this composite pipe also to be upgraded, because the composite pipe that the production method of traditional aluminium-plastic composite pipe can not be done skeleton at new employing hard tube is produced application, so exploitation makes new advances, technique is simple, it is very important that composite tube production method easy to make seems.
Summary of the invention
First technical problem to be solved by this invention is to provide a kind of nano anti-corrosive antibacterial plastic-metal composite pipe, it adopts inorganic nano antiseptic to be combined the inner plastic of making metal composite pipe with plastics, and the inorganic nano preservative is combined with plastics and is made the metal composite pipe outer layer plastic, so it not only has sterilizing function to water quality, and its outer layer plastic also have be difficult for aging, long service life, free of contamination characteristics, and the present invention's purposes wide in variety is wide, can be used for indoor, outdoor, family expenses and industrial different places, to meet people for a long time to the health of water supply line and healthy needs.
Second technical problem to be solved by this invention is to provide the method for a kind of technique this nano anti-corrosive antibacterial plastic-metal composite pipe of manufacture simple, easy to make.
The technological scheme that the present invention solves first technical problem to be provided is, this nano anti-corrosive antibacterial plastic-metal composite pipe comprises plastic outer layer, inner plastic and metal layer, be stained with hot melt adhesive between inner plastic and metal layer, plastic outer layer adopts the heat mode of melting directly to be packaged on metal layer, it is characterized in that the formula of described plastic outer layer and inner plastic is as follows respectively:
The plastic outer layer formula is:
The inorganic nano preservative: be 0.2～8% of plastic raw material weight,
Coupling agent: be 1～8% of inorganic nano preservative consumption,
Plasticizing agent: be 0.1～3% of plastic raw material weight,
Phenolic antioxidant: be 0.3～1.0% of plastic raw material weight;
The inner plastic formula is:
Inorganic nano antiseptic: be 0.1～10% of plastic raw material weight,
Coupling agent: be 1～5% of inorganic nano antiseptic consumption,
Plasticizing agent: be 0.1～2% of plastic raw material weight,
Phenolic antioxidant: be 0.3～1.0% of plastic raw material weight.
Above-mentioned raw materials can be preferably polypropylene or polyethylene, because its raw material sources are extensive, cheap, its strength character is good, described metal layer can be seamless tube layer, welded pipe layer, breechblock pipe layer, Stainless Steel Tube layer or galvanized pipe layer, can be used for producing the anti-powerful pipe and the industrial pipe that are applicable to outdoor application.
Above-mentioned inorganic nano preservative can be the mutual mixture of nano silicon or nano titanium oxide or nano zine oxide or their any proportionings, and consumption is 1～2% of plastics weight.
Above-mentioned inorganic nano antiseptic can be carrying silver antimicrobials or zine oxide or silver zinc complex class antimicrobial agent.
Above-mentioned coupling agent can be the KH570 of silanes or the NDZ-130 of titanate ester, and consumption is 2～4% of inorganic nano preservative consumption.
Above-mentioned plasticizing agent can be fluid wax or dioctyl adipate, and consumption is 0.1～2% of plastics weight.
The technological scheme that the present invention solves second technical problem to be provided is, this manufacture method is characterized in that comprising the steps: at first metal tube to be screened, and then metal tube is carried out to pickling, carry out again cleaning after pickling, if the metallic material of composite pipe used be galvanized pipe or Stainless Steel Tube do not need pickling, as long as cleaning, then it is sent into to heat-treating machine, heating metal pipe to 150～300 ℃, the inorganic nano antiseptic plastic matrix of simultaneously filling a prescription made by above-mentioned inner plastic is that raw material is made inner layer plastic tube, outer surface at inner layer plastic tube is stained with hot melt adhesive again, and it is penetrated in the metal tube inner chamber, then at the metal tube two ends, set sealed mold, and wherein pass into the pressurized air of 0.1～0.6Mpa the sealed mold of an end from metal tube, pressurize 8～15 minutes, the inorganic nano anti-rot plastic masterbatch of filling a prescription made by outer layer plastic carries out that height is warm to be melted, and it is coated on outer surface of metal pipe, after cooling through check, the packing warehouse-in.
The preparation method of above-mentioned inorganic nano anti-rot plastic masterbatch is: the inorganic nano preservative of getting molding powder weight 0.2～8%, to join in inorganic nano preservative powder by the titanate ester of inorganic nano preservative total amount 1～8% or silane coupling agent with by the fluid wax of molding powder weight 0.1～3% or dioctyl adipate plasticizing agent and by the phenolic antioxidant of molding powder weight 0.3～1.0%, and outer reason is flooded in high speed stirring at normal temperatures in 5～30 minutes, then dry under 90～120 ℃ 1～2 hour, make the anticorrosion Active agent of inorganic nano; Then that the anticorrosion Active agent of inorganic nano that will make is added in molding powder, even in stirrer for mixing, make inorganic nano anti-rot plastic masterbatch.
The preparation method of above-mentioned inorganic nano antiseptic plastic matrix is: get 0.1～10% the inorganic nano antiseptic by plastic pellet weight, then will join in the inorganic nano antiseptic powder by the titanate ester of inorganic nano antibacterial material total amount 1～5% or silane coupling agent with by the fluid wax of plastic pellet weight 0.1～2% or dioctyl adipate plasticizing agent and by the phenolic antioxidant of plastic pellet weight 0.3～1.0%, and low-medium speed stirs and within 3～15 minutes, to be flooded outer reason at normal temperatures, makes the inorganic nano antiseptic Active agent; Then that the inorganic nano antiseptic Active agent of making is added in plastic pellet, even in stirrer for mixing, melt extrude granulation through single screw rod, make the inorganic nano antiseptic plastic matrix.
Compared with prior art, the invention has the advantages that to adopt and added the special inorganic nano preservative of optical property in outer layer plastic, effectively prevent that ultraviolet ray from deterioration phenomenon occurring to the irradiation of plastics, improve intensity and the acid-proof alkaline of plastics simultaneously, thereby extended widely the anticorrosion life-span of outer layer plastic, avoided unnecessary environmental pollution simultaneously; Also having the present invention to also have an advantage is the wide in variety of composite pipe, except adopting the main body framework of metallic aluminium as composite pipe, also can adopt weldless tube, welded pipe, breechblock pipe, Stainless Steel Tube and galvanized pipe, and can as requested composite pipe be made to the pipes such as hard tube, flexible tube, to adapt to indoor and outdoors, use, and the present invention is also applicable to multiple occasions such as the pipeline of industrial use and large-scale pipelines; So it is extensive that the present invention has using scope, wide in variety, all can bring larger benefit to the exploitation of composite pipe product and to the development of enterprise like this, also further promoted the using scope of this composite pipe.And the technique that the present invention manufactures this composite pipe is simple, easy to operate, and increased the pressurization program one in course of working, inner plastic tube outer surface and inner wall of metal tube are closely combined, but also can reach the accurate typing of inner layer plastic tube, thereby guaranteed the good stability of quality of product in working process, improved the combination force of inner plastic and metal layer.Composite pipe of the present invention detects through health and epidemic prevention department, but the rate of killing to staphylococcus aureus, enteropathogenic E．Coli and Candida albicans etc. reaches more than 95%, and its antibiotic timeliness and composite pipe be the same life-span almost, therefore composite pipe of the present invention is a kind of rising product, is worthy of popularization.
Embodiment
Below in conjunction with embodiment, the present invention is described in further detail.
Embodiment one, the present embodiment comprises polyvinyl plastics skin, polyvinyl plastics internal layer and weldless tube metal layer, be stained with hot melt adhesive between inner plastic and metal layer, plastic outer layer adopts the heat mode of melting directly to be packaged on metal layer, and the outer formula with the polyvinyl plastics internal layer of described polyvinyl plastics is as follows respectively:
The outer layer formula of polyvinyl plastics is: press 100 parts of calculating of polyvinyl plastics powder,
The inorganic nano preservative is nano silicon, and its consumption is 0.2% of polyvinyl plastics grain weight amount; Certainly the inorganic anti-corrosion nanometer material can be also mixture in twos or the common mixture of nano titanium oxide or nano zine oxide or their any proportionings,
The KH570 that coupling agent is silanes, its amount, for 1% of inorganic nano preservative consumption, can certainly be the NDZ-130 of titanate ester,
Plasticizing agent is fluid wax or dioctyl adipate, and consumption is 0.1% of polyvinyl plastics grain weight amount,
Phenolic antioxidant is its model 2246 of antioxidant that Yan Jiang chemical plant, Nanjing produces, and its consumption is 0.3% of polyvinyl plastics grain weight amount;
In polyvinyl plastics, layer formula is: press 100 parts of calculating of polyvinyl plastics particle,
Inorganic nano antiseptic is nano silver-supported antibacterial powder MFS200, its consumption is 0.1% of polyvinyl plastics particle weight, can certainly be: metal ion and oxide or the dichloride in anatase type titanium oxide such as silver-active carbon, silver-zeolite, silver-cobalt phosphate, silver-calcium phosphate, silver-silica gel, silver-dissolubility glass, silver-clay pit, silver nanoparticle porous granule, Ag-Cu-Zn.
The KH570 that coupling agent is silanes, its amount is 1% of inorganic nano antiseptic consumption, can certainly select the NDZ-130 of titanate ester,
Plasticizing agent is fluid wax, and its consumption is 0.1% of polyvinyl plastics weight, also can select DOA (dioctyl adipate),
Phenolic antioxidant is its model 2246 of antioxidant that Yan Jiang chemical plant, Nanjing produces, and its consumption is 0.3% of polyvinyl plastics particle weight.
Metal tube adopts weldless tube.
Manufacture the method for nano antiseptic plastic metal composite pipe, it is characterized in that comprising the steps:
At first by the weldless tube screening, choose undesirable weldless tube.
Then weldless tube is carried out to pickling, carry out again cleaning after pickling.But galvanized pipe and Stainless Steel Tube are not needed to pickling, as long as carry out cleaning.
Then prepare the inorganic nano antiseptic plastic matrix, its preparation method is: getting nano silver-supported antibacterial powder MFS200 is inorganic nano antiseptic, its consumption is for pressing plastic pellet weight 0.1%, then by the KH570 coupling agent of the composite total amount 1% of nano silver-supported antibacterial powder MFS200 and nano zine oxide with by the fluid wax plasticizing agent of plastic pellet weight 0.1% with join by 0.3% phenolic antioxidant 2246 of plastic pellet weight in the powder of composite of nano silver-supported antibacterial powder MFS200 and nano zine oxide, and outer reason is flooded in middling speed stirring at normal temperatures in 5 minutes, make the inorganic nano antiseptic Active agent, then that the inorganic nano antiseptic Active agent of making is added in plastic pellet, even in stirrer for mixing, melt extrude granulation through single screw rod, make the inorganic nano antiseptic plastic matrix.For suppressing the variable color of silver-series antibacterial agent in course of working, can add as required stabilizer.
The preparation method of inorganic nano anti-rot plastic masterbatch is: get the inorganic nano preservative by molding powder weight 0.2%, the coupling agent that will be KH570 by inorganic nano preservative total amount 1%, model and by the plasticizing agent fluid wax of molding powder weight 0.1% and be 2246 by molding powder weight 0.3%, model phenolic antioxidant joins in the powder of inorganic nano preservative, and high-speed stirred is flooded outer reason in 10 minutes at normal temperatures, then dry 1 hour under 90 ℃, make the anticorrosion Active agent of inorganic nano; Then that the anticorrosion Active agent of inorganic nano that will make is added in molding powder, even in stirrer for mixing, melt extrude granulation through single screw rod, make inorganic nano anti-rot plastic masterbatch.
Then the inorganic nano antiseptic plastic matrix is injection molded into to inner layer plastic tube, be stained with hot melt adhesive on the inner plastic tube outer surface of making, the inner layer plastic tube that then will be stained with hot melt adhesive penetrates in the weldless tube inner chamber, then at the weldless tube two ends, set sealed mold, and wherein pass into the pressurized air of 0.1Mpa the sealed mold of an end from weldless tube, pressurize 8 minutes, the inorganic nano anti-rot plastic masterbatch of filling a prescription made by outer layer plastic carries out that height is warm to be melted, and it is coated on outer surface of metal pipe, after cooling, test again, then the packing warehouse-in.
Embodiment two, the present embodiment comprises polyvinyl plastics skin, polyvinyl plastics internal layer and weldless tube metal layer, be stained with hot melt adhesive between inner plastic and metal layer, plastic outer layer adopts the heat mode of melting directly to be packaged on metal layer, and the outer formula with the polyvinyl plastics internal layer of described polyvinyl plastics is as follows respectively:
The outer layer formula of polyvinyl plastics is: press 100 parts of calculating of polyvinyl plastics powder,
The inorganic nano preservative is nano silicon, and its consumption is 1% of polyvinyl plastics grain weight amount; Certainly the inorganic anti-corrosion nanometer material can be also mixture in twos or the common mixture of nano titanium oxide or nano zine oxide or their any proportionings,
The KH570 that coupling agent is silanes, its amount, for 3% of inorganic nano preservative consumption, can certainly be the NDZ-130 of titanate ester,
Plasticizing agent is fluid wax, and its consumption is 1.5% of polyvinyl plastics grain weight amount, can certainly be to adopt DOA (dioctyl adipate),
Phenolic antioxidant is its model 2246 of antioxidant that Yan Jiang chemical plant, Nanjing produces, and its consumption is 0.5% of polyvinyl plastics grain weight amount;
In polyvinyl plastics, layer formula is: press 100 parts of calculating of polyvinyl plastics particle,
The composite that the inorganic nano anti-agent is nano silver-supported antibacterial powder MFS200 and nano zine oxide, its consumption is 5% of polyvinyl plastics particle weight, can certainly be: metal ion and oxide or the dichloride in anatase type titanium oxide such as silver-active carbon, silver-zeolite, silver-cobalt phosphate, silver-calcium phosphate, silver-silica gel, silver-dissolubility glass, silver-clay pit, silver nanoparticle porous granule, Ag-Cu-Zn.
The KH570 that coupling agent is silanes, its amount is 3% of inorganic nano antiseptic consumption, can certainly select the NDZ-130 of titanate ester,
Plasticizing agent is fluid wax, and its consumption is 1% of polyvinyl plastics weight, also can select DOA (dioctyl adipate),
Phenolic antioxidant is its model 2246 of antioxidant that Yan Jiang chemical plant, Nanjing produces, and its consumption is 0.5% of polyvinyl plastics particle weight.
Metal tube adopts weldless tube.
Manufacture the method for nano antiseptic plastic metal composite pipe, it is characterized in that comprising the steps:
At first by the weldless tube screening, choose undesirable weldless tube.
Then weldless tube is carried out to pickling, carry out again cleaning after pickling.
Then prepare the inorganic nano antiseptic plastic matrix, its method for preparing the inorganic nano antiseptic plastic matrix is that the composite of getting nano silver-supported antibacterial powder MFS200 and nano zine oxide is inorganic nano antiseptic, its consumption is pressed plastic pellet weight 5%, then by the KH570 coupling agent of composite nano germicide total amount 3% with by the fluid wax plasticizing agent of plastic pellet weight 1% with by the phenolic antioxidant 2246 of plastic pellet weight 0.5%, join in the composite powder of nano silver-supported antibacterial powder MFS200 and nano zine oxide, and outer reason is flooded in middling speed stirring at normal temperatures in 5 minutes, make the inorganic nano antiseptic Active agent, then that the inorganic nano antiseptic activity of making is added in plastic pellet, even in stirrer for mixing, melt extrude granulation through single screw rod, make the inorganic nano antiseptic plastic matrix.For suppressing the variable color of silver-series antibacterial agent in course of working, can add as required stabilizer.
Inorganic nano anti-rot plastic masterbatch preparation process is: get the inorganic nano preservative by molding powder weight 1%, the coupling agent that will be KH570 by inorganic nano preservative total amount 3%, model and by the plasticizing agent fluid wax of molding powder weight 1.5% and be 2246 by molding powder weight 0.5%, model phenolic antioxidant joins in the powder of inorganic nano preservative, and high-speed stirred is flooded outer reason in 10 minutes at normal temperatures, then dry 1.5 hours under 110 ℃, make the anticorrosion Active agent of inorganic nano; Then that the anticorrosion Active agent of inorganic nano that will make is added in plastic powders, even in stirrer for mixing, melt extrude granulation through single screw rod, make inorganic nano anti-rot plastic masterbatch.
Then the inorganic nano antiseptic plastic matrix is injection molded into to inner layer plastic tube, be stained with hot melt adhesive on the inner plastic tube outer surface of making, the inner layer plastic tube that then will be stained with hot melt adhesive penetrates in the weldless tube inner chamber, then at the weldless tube two ends, set sealed mold, and wherein pass into the pressurized air of 0.3Mpa the sealed mold of an end from weldless tube, pressurize 10 minutes, the inorganic nano anti-rot plastic masterbatch of filling a prescription made by outer layer plastic carries out that height is warm to be melted, and it is coated on outer surface of metal pipe, after cooling, test again, then the packing warehouse-in.
Embodiment three, the present embodiment comprise polyvinyl plastics skin, polyvinyl plastics internal layer and weldless tube metal layer, be stained with hot melt adhesive between inner plastic and metal layer, plastic outer layer adopts the heat mode of melting directly to be packaged on metal layer, and the outer formula with the polyvinyl plastics internal layer of described polyvinyl plastics is as follows respectively:
The outer layer formula of polyvinyl plastics is: press 100 parts of calculating of polyvinyl plastics powder,
The inorganic nano preservative is nano silicon, and its amount is 8% of polyvinyl plastics grain weight amount; Certainly the inorganic anti-corrosion nanometer material can be also mixture in twos or the common mixture of nano titanium oxide or nano zine oxide or their any proportionings,
The KH570 that coupling agent is silanes, its amount, for 8% of inorganic nano preservative consumption, can certainly be the NDZ-130 of titanate ester,
The plasticizing agent fluid wax, its consumption is 3% of polyvinyl plastics grain weight amount, can certainly be to adopt DOA (dioctyl adipate),
Phenolic antioxidant is its model 2246 of antioxidant that Yan Jiang chemical plant, Nanjing produces, and its consumption is 1.0% of polyvinyl plastics grain weight amount;
In polyvinyl plastics, layer formula is: press 100 parts of calculating of polyvinyl plastics particle,
The composite that inorganic nano antiseptic is nano silver-supported antibacterial powder MFS200 and nano zine oxide, its consumption is 10% of polyvinyl plastics particle weight, can certainly be: metal ion and oxide or the dichloride in anatase type titanium oxide such as silver-active carbon, silver-zeolite, silver-cobalt phosphate, silver-calcium phosphate, silver-silica gel, silver-dissolubility glass, silver-clay pit, silver nanoparticle porous granule, Ag-Cu-Zn.
The KH570 that coupling agent is silanes, its amount is 5% of inorganic nano antiseptic consumption, can certainly select the NDZ-130 of titanate ester,
Plasticizing agent is fluid wax, and its consumption is 2% of polyvinyl plastics weight, also can select DOA (dioctyl adipate),
Phenolic antioxidant is its model 2246 of antioxidant that Yan Jiang chemical plant, Nanjing produces, and its consumption is 1.0% of polyvinyl plastics particle weight.
Metal tube adopts weldless tube.
Manufacture the method for nano antiseptic plastic metal composite pipe, it is characterized in that comprising the steps:
At first by the weldless tube screening, choose undesirable weldless tube.
Then weldless tube is carried out to pickling, carry out again cleaning after pickling.
Then prepare the inorganic nano antiseptic plastic matrix, its method for preparing the inorganic nano antiseptic plastic matrix is to get the composite of nano silver-supported antibacterial powder MFS200 and nano zine oxide as inorganic nano antiseptic, consumption is for pressing 10% of plastic pellet weight, then do the KH570 coupling agent of microbial inoculum total amount 5% and join in the composite powder of nano silver-supported antibacterial powder MFS200 and nano zine oxide by the fluid wax plasticizing agent of plastic pellet weight 2% with by the phenolic antioxidant 2246 of plastic pellet weight 1.0% by nano silver-supported antibacterial powder MFS200 and nano zine oxide compound, and outer reason is flooded in middling speed stirring at normal temperatures in 5 minutes, make the inorganic nano antiseptic Active agent, then that the inorganic nano antiseptic Active agent of making is added in plastic pellet, even in stirrer for mixing, melt extrude granulation through single screw rod, make the inorganic nano antiseptic plastic matrix.For suppressing the variable color of silver-series antibacterial agent in course of working, can add as required stabilizer.
Inorganic nano anti-rot plastic masterbatch preparation process is: get the inorganic nano preservative by molding powder weight 8%, will by inorganic nano preservative total amount 8%, the model coupling agent that is KH570 and joining in inorganic nano preservative powder by the plasticizing agent fluid wax of molding powder weight 3% and the phenolic antioxidant that is 2246 by molding powder weight 1%, model, and high-speed stirred is flooded outer reason in 10 minutes at normal temperatures, then dry 2 hours under 110 ℃, make the anticorrosion Active agent of inorganic nano; Then that the anticorrosion Active agent of inorganic nano that will make is added in plastic powders, even in stirrer for mixing, melt extrude granulation through single screw rod, make inorganic nano anti-rot plastic masterbatch.
Then the inorganic nano antiseptic plastic matrix is injection molded into to inner layer plastic tube, be stained with hot melt adhesive on the inner plastic tube outer surface of making, the inner layer plastic tube that then will be stained with hot melt adhesive penetrates in the weldless tube inner chamber, then at the weldless tube two ends, set sealed mold, and wherein pass into the pressurized air of 0.6Mpa the sealed mold of an end from weldless tube, pressurize 15 minutes, the inorganic nano anti-rot plastic masterbatch of filling a prescription made by outer layer plastic carries out that height is warm to be melted, and it is coated on outer surface of metal pipe, after cooling, test again, then the packing warehouse-in.
Embodiment four, the present embodiment comprises polyvinyl plastics skin, polyvinyl plastics internal layer and galvanized pipe metal layer, be stained with hot melt adhesive between inner plastic and metal layer, plastic outer layer adopts the heat mode of melting directly to be packaged on metal layer, and the outer formula with the polyvinyl plastics internal layer of described polyvinyl plastics is as follows respectively:
The outer layer formula of polyvinyl plastics is: press 100 parts of calculating of polyvinyl plastics powder,
The inorganic nano preservative is nano silicon dioxide, and its consumption is 0.2% of polyvinyl plastics grain weight amount; Certainly the inorganic anti-corrosion nanometer material can be also mixture in twos or the common mixture of nano titanium oxide or nano zine oxide or their any proportionings,
The KH570 that coupling agent is silanes, its amount, for 1% of inorganic nano preservative consumption, can certainly be the NDZ-130 of titanate ester,
Plasticizing agent is fluid wax, and consumption is 0.1% of polyvinyl plastics powder,,
Phenolic antioxidant is its model 2246 of antioxidant that Yan Jiang chemical plant, Nanjing produces, and its consumption is 0.3% of polyvinyl plastics grain weight amount;
In polyvinyl plastics, layer formula is: press 100 parts of calculating of polyvinyl plastics particle,
The composite that inorganic nano antiseptic is nano silver-supported antibacterial powder MFS200 and nano zine oxide, its consumption is 0.1% of polyvinyl plastics particle weight, can certainly be: metal ion and oxide or the dichloride in anatase type titanium oxide such as silver-active carbon, silver-zeolite, silver-cobalt phosphate, silver-calcium phosphate, silver-silica gel, silver-dissolubility glass, silver-clay pit, silver nanoparticle porous granule, Ag-Cu-Zn.
The KH570 that coupling agent is silanes, its amount is 1% of inorganic nano antiseptic consumption, can certainly select the NDZ-130 of titanate ester,
Plasticizing agent is fluid wax, and its consumption is 0.1% of polyvinyl plastics weight, also can select DOA (dioctyl adipate),
Phenolic antioxidant is its model 2246 of antioxidant that Yan Jiang chemical plant, Nanjing produces, and its consumption is 0.3% of polyvinyl plastics particle weight.
Metal tube adopts galvanized pipe.
Manufacture the method for nano antiseptic plastic metal composite pipe, it is characterized in that comprising the steps:
At first by the galvanized pipe screening, choose undesirable galvanized pipe.
Then galvanized pipe is carried out to cleaning, do not need pickling.
Then prepare the inorganic nano antiseptic plastic matrix, its method for preparing the inorganic nano antiseptic plastic matrix is that the composite of getting nano silver-supported antibacterial powder MFS200 and nano zine oxide is inorganic nano antiseptic, its amount is pressed plastic pellet weight 0.1%, then by the KH570 coupling agent of the composite total amount 1% of nano silver-supported antibacterial powder MFS200 and nano zine oxide with by the fluid wax plasticizing agent of plastic pellet weight 0.1% with join by 0.3% phenolic antioxidant 2246 of plastic pellet weight in the powder of composite of nano silver-supported antibacterial powder MFS200 and nano zine oxide, and outer reason is flooded in middling speed stirring at normal temperatures in 5 minutes, make the inorganic nano antiseptic Active agent, then that the inorganic nano antiseptic Active agent of making is added in plastic pellet, even in stirrer for mixing, melt extrude granulation through single screw rod, make the inorganic nano antiseptic plastic matrix.For suppressing the variable color of silver-series antibacterial agent in course of working, can add as required stabilizer.
Inorganic nano anti-rot plastic masterbatch preparation process is: get the inorganic nano preservative by molding powder weight 0.2%, the coupling agent that will be KH570 by inorganic nano preservative total amount 1%, model and by the plasticizing agent fluid wax of molding powder weight 0.1% and be 2246 by molding powder weight 0.3%, model phenolic antioxidant joins in inorganic nano preservative powder, and high-speed stirred is flooded outer reason in 10 minutes at normal temperatures, then dry 1 hour under 90 ℃, make the anticorrosion Active agent of inorganic nano; Then that the anticorrosion Active agent of inorganic nano that will make is added in plastic powders, even in stirrer for mixing, melt extrude granulation through single screw rod, make inorganic nano anti-rot plastic masterbatch.
Then the inorganic nano antiseptic plastic matrix is injection molded into to inner layer plastic tube, be stained with hot melt adhesive on the inner plastic tube outer surface of making, the inner layer plastic tube that then will be stained with hot melt adhesive penetrates in the galvanized pipe inner chamber, then at the galvanized pipe two ends, set sealed mold, and wherein pass into the pressurized air of 0.1Mpa the sealed mold of an end from galvanized pipe, pressurize 8 minutes, the inorganic nano anti-rot plastic masterbatch of filling a prescription made by outer layer plastic carries out that height is warm to be melted, and it is coated on outer surface of metal pipe, after cooling, test again, then the packing warehouse-in.
Embodiment five, the present embodiment comprises polyvinyl plastics skin, polyvinyl plastics internal layer and galvanized pipe metal layer, be stained with hot melt adhesive between inner plastic and metal layer, plastic outer layer adopts the heat mode of melting directly to be packaged on metal layer, and the outer formula with the polyvinyl plastics internal layer of described polyvinyl plastics is as follows respectively:
The outer layer formula of polyvinyl plastics is: press 100 parts of calculating of polyvinyl plastics powder,
The inorganic nano preservative is nano silicon, and its consumption is 1% of polyvinyl plastics grain weight amount; Certainly the inorganic anti-corrosion nanometer material can be also mixture in twos or the common mixture of nano titanium oxide or nano zine oxide or their any proportionings,
The KH570 that coupling agent is silanes, its amount, for 3% of inorganic nano preservative consumption, can certainly be the NDZ-130 of titanate ester,
Plasticizing agent is fluid wax, and its consumption is 1.5% of polyvinyl plastics grain weight amount, can certainly be to adopt DOA (dioctyl adipate),
Phenolic antioxidant is its model 2246 of antioxidant that Yan Jiang chemical plant, Nanjing produces, and its consumption is 0.5% of polyvinyl plastics grain weight amount;
In polyvinyl plastics, layer formula is: press 100 parts of calculating of polyvinyl plastics particle,
The composite that the agent of inorganic nano antiseptic nanometer is Ag-carried antibacterial powder MFS200 and nano zine oxide, its consumption is 5% of polyvinyl plastics particle weight, can certainly be: metal ion and oxide or the dichloride in anatase type titanium oxide such as silver-active carbon, silver-zeolite, silver-cobalt phosphate, silver-calcium phosphate, silver-silica gel, silver-dissolubility glass, silver-clay pit, silver nanoparticle porous granule, Ag-Cu-Zn.
The KH570 that coupling agent is silanes, its consumption is 3% of inorganic nano antiseptic nanometer agent consumption, can certainly select the NDZ-130 of titanate ester,
Plasticizing agent is fluid wax, and its consumption is 1% of polyvinyl plastics weight, also can select DOA (dioctyl adipate),
Phenolic antioxidant is its model 2246 of antioxidant that Yan Jiang chemical plant, Nanjing produces, and its consumption is 0.5% of polyvinyl plastics particle weight.
Metal tube adopts galvanized pipe.
Manufacture the method for nano antiseptic plastic metal composite pipe, it is characterized in that comprising the steps:
At first by the galvanized pipe screening, choose undesirable galvanized pipe.
Then galvanized pipe is carried out to cleaning.
Then prepare the inorganic nano antiseptic plastic matrix, its method for preparing the inorganic nano antiseptic plastic matrix is to get the composite of nano silver-supported antibacterial powder MFS200 and nano zine oxide as inorganic nano antiseptic, its consumption is pressed plastic pellet weight 5%, then by the KH570 coupling agent of composite nano germicide total amount 3% with by the fluid wax plasticizing agent of plastic pellet weight 1% with by the phenolic antioxidant 2246 of plastic pellet weight 0.5%, join in the composite powder of nano silver-supported antibacterial powder MFS200 and nano zine oxide, and outer reason is flooded in middling speed stirring at normal temperatures in 5 minutes, make the inorganic nano antiseptic Active agent, then that the inorganic nano antiseptic Active agent of making is added in plastic pellet, even in stirrer for mixing, melt extrude granulation through single screw rod, make the inorganic nano antiseptic plastic matrix.For suppressing the variable color of silver-series antibacterial agent in course of working, can add as required stabilizer.
Inorganic nano anti-rot plastic masterbatch preparation process is: get the inorganic nano preservative by molding powder weight 1%, the coupling agent that will be KH570 by inorganic nano preservative total amount 3%, model and by the plasticizing agent fluid wax of molding powder weight 1.5% and be 2246 by molding powder weight 0.5%, model phenolic antioxidant joins in inorganic nano preservative powder, and high-speed stirred is flooded outer reason in 10 minutes at normal temperatures, then dry 1.5 hours under 110 ℃, make the anticorrosion Active agent of inorganic nano; Then that the anticorrosion Active agent of inorganic nano that will make is added in plastic powders, even in stirrer for mixing, melt extrude granulation through single screw rod, make inorganic nano anti-rot plastic masterbatch.
Then the inorganic nano antiseptic plastic matrix is injection molded into to inner layer plastic tube, be stained with hot melt adhesive on the inner plastic tube outer surface of making, the inner layer plastic tube that then will be stained with hot melt adhesive penetrates in the galvanized pipe inner chamber, then at the galvanized pipe two ends, set sealed mold, and wherein pass into the pressurized air of 0.3Mpa the sealed mold of an end from galvanized pipe, pressurize 10 minutes, the inorganic nano anti-rot plastic masterbatch of filling a prescription made by outer layer plastic carries out that height is warm to be melted, and it is coated on outer surface of metal pipe, after cooling, test again, then the packing warehouse-in.
Embodiment six, the present embodiment comprise polypropylene plastics skin, polypropylene plastics internal layer and galvanized pipe metal layer, be stained with hot melt adhesive between inner plastic and metal layer, plastic outer layer adopts the heat mode of melting directly to be packaged on metal layer, and the outer formula with the polypropylene plastics internal layer of described polypropylene plastics is as follows respectively:
The outer layer formula of polypropylene plastics is: press 100 parts of calculating of polypropylene plastics powder,
The inorganic nano preservative is nano silicon, and its consumption is 8% of polypropylene plastics grain weight amount; Certainly the inorganic anti-corrosion nanometer material can be also mixture in twos or the common mixture of nano titanium oxide or nano zine oxide or their any proportionings,
The KH570 that coupling agent is silanes, its consumption is 8% of inorganic nano preservative consumption, can certainly be the NDZ-130 of titanate ester,
Plasticizing agent is fluid wax, and its consumption is 3% of polypropylene plastics grain weight amount, can certainly be to adopt DOA (dioctyl adipate),
Phenolic antioxidant is its model 2246 of antioxidant that Yan Jiang chemical plant, Nanjing produces, and its consumption is 1.0% of polypropylene plastics grain weight amount;
In polypropylene plastics, layer formula is: press 100 parts of calculating of polypropylene plastics particle,
The composite that inorganic nano antiseptic is nano silver-supported antibacterial powder MFS200 and nano zine oxide, its consumption is 10% of polypropylene plastics particle weight, can certainly be: metal ion and oxide or the dichloride in anatase type titanium oxide such as silver-active carbon, silver-zeolite, silver-cobalt phosphate, silver-calcium phosphate, silver-silica gel, silver-dissolubility glass, silver-clay pit, silver nanoparticle porous granule, Ag-Cu-Zn.
The KH570 that coupling agent is silanes, its consumption is 5% of inorganic nano antiseptic consumption, can certainly select the NDZ-130 of titanate ester,
Plasticizing agent is fluid wax, and its consumption is 2% of polypropylene plastics weight, also can select DOA (dioctyl adipate),
Phenolic antioxidant is its model 2246 of antioxidant that Yan Jiang chemical plant, Nanjing produces, and its consumption is 1.0% of polypropylene plastics particle weight.
Metal tube adopts galvanized pipe.
Manufacture the method for nano antiseptic plastic metal composite pipe, it is characterized in that comprising the steps:
At first by the galvanized pipe screening, choose undesirable galvanized pipe.
Then galvanized pipe is carried out to cleaning.
Then prepare the inorganic nano antiseptic plastic matrix, its method for preparing the inorganic nano antiseptic plastic matrix is that the composite of getting nano silver-supported antibacterial powder MFS200 and nano zine oxide is inorganic nano antiseptic, press plastic pellet weight 10%, then by the KH570 coupling agent of composite nano germicide total amount 5% with by the fluid wax plasticizing agent of plastic pellet weight 2% with by the phenolic antioxidant 2246 of plastic pellet weight 1%, join in the composite powder of nano silver-supported antibacterial powder MFS200 and nano zine oxide, and outer reason is flooded in middling speed stirring at normal temperatures in 5 minutes, make the inorganic nano antiseptic Active agent, then that the inorganic nano antiseptic Active agent of making is added in plastic pellet, even in stirrer for mixing, melt extrude granulation through single screw rod, make the inorganic nano antiseptic plastic matrix.For suppressing the variable color of silver-series antibacterial agent in course of working, can add as required stabilizer.
Inorganic nano anti-rot plastic masterbatch preparation process is: get the inorganic nano preservative by molding powder weight 8%, the coupling agent that will be KH570 by inorganic nano preservative total amount 8%, model and by the plasticizing agent fluid wax of molding powder weight 3% and be 2246 by plastic powders weight 1%, model phenolic antioxidant joins in inorganic nano preservative powder, and high-speed stirred is flooded outer reason in 10 minutes at normal temperatures, then dry 2 hours under 110 ℃, make the anticorrosion Active agent of inorganic nano; Then that the anticorrosion Active agent of inorganic nano that will make is added in plastic powders, even in stirrer for mixing, melt extrude granulation through single screw rod, make inorganic nano anti-rot plastic masterbatch.
Then the inorganic nano antiseptic plastic matrix is injection molded into to inner layer plastic tube, be stained with hot melt adhesive on the inner plastic tube outer surface of making, the inner layer plastic tube that then will be stained with hot melt adhesive penetrates in the galvanized pipe inner chamber, then at the galvanized pipe two ends, set sealed mold, and wherein pass into the pressurized air of 0.6Mpa the sealed mold of an end from galvanized pipe, pressurize 15 minutes, the inorganic nano anti-rot plastic masterbatch of filling a prescription made by outer layer plastic carries out that height is warm to be melted, and it is coated on outer surface of metal pipe, after cooling, test again, then the packing warehouse-in.
Above-mentioned metal tube, except weldless tube and galvanized pipe, can also be welded pipe or breechblock pipe or Stainless Steel Tube, and Stainless Steel Tube is as metal frame, it is manufactured in the technique of composite pipe, also do not need pickling process, as long as clean up, remaining situation is with above-mentioned the same.The polyethylene of above-mentioned employing is high-density polyethylene resin, for white granular, density is 0.944 gram per centimeter, resisting environmental stress and cracking condition>1000 hour, tensile yield strength reaches 22Mpa, and tensile break strength reaches 34Mpa, and elongation limit reaches 500%, brittle temperature<-90 ℃, flexural modulus reaches 760Mpa.The composite medium grain size of above-mentioned nano silver-supported antibacterial powder MFS200 and nano zine oxide is 90 nanometers, and the nano zine oxide medium grain size is 20 nanometers, and the nano silicon oxide medium grain size is 10～30 nanometers.And above-mentioned plastic pellet can also be polypropylene or polyethylene and polyacrylic mixture except adopting polyethylene, specifically can determine as required.
Claims (9)
1. plastics and metal composite pipe, comprise plastic outer layer, inner plastic and metal layer, be stained with hot melt adhesive between inner plastic and metal layer, plastic outer layer adopts the heat mode of melting directly to be packaged on metal layer, the formula that it is characterized in that described plastic outer layer and inner plastic is as follows respectively: the plastic outer layer formula is: the inorganic nano preservative: be 0.2～8% of plastic raw material weight, coupling agent: be 1～8% of inorganic nano preservative consumption, plasticizing agent: be 0.1～3% of plastic raw material weight, phenolic antioxidant: be 0.3～1.0% of plastic raw material weight; The inner plastic formula is: inorganic nano antiseptic: be 0.1～10% of plastic raw material weight, coupling agent: be 1～5% of inorganic nano antiseptic consumption, plasticizing agent: be 0.1～2% of plastic raw material weight, phenolic antioxidant: be 0.3～1.0% of plastic raw material weight.
2. composite pipe according to claim 1, is characterized in that described plastics are polypropylene or polyethylene, and described metal layer is weldless tube, welded pipe, breechblock pipe, Stainless Steel Tube or galvanized pipe.
3. composite pipe according to claim 1, is characterized in that described inorganic nano preservative is nano silicon or nano titanium oxide or nano zine oxide or the arbitrarily mutual composition in them, and consumption is 1～2% of plastic raw material weight.
4. composite pipe according to claim 1, is characterized in that described inorganic nano antiseptic is carrying silver antimicrobials or zine oxide or silver zinc complex class antimicrobial agent.
5. composite pipe according to claim 1, is characterized in that KH570 that described coupling agent is silanes or the NDZ-130 of titanate ester, and consumption is 2～4% of inorganic nano preservative consumption.
6. composite pipe according to claim 1, is characterized in that described plasticizing agent is fluid wax or dioctyl adipate, and consumption is 0.1～2% of plastic pellet weight.
7. a method of manufacturing composite pipe claimed in claim 1, it is characterized in that comprising the steps: at first metal tube to be screened, and then metal tube is carried out to pickling, carry out again cleaning after pickling, if the metallic material of composite pipe used be galvanized pipe or Stainless Steel Tube do not need pickling, as long as cleaning, then it is sent into to heat-treating machine, be heated to 150～300 ℃, simultaneously according to take inorganic nano antiseptic plastic matrix that inner plastic fills a prescription made in claim 1, make inner layer plastic tube as raw material, outer surface at inner layer plastic tube is stained with hot melt adhesive again, and it is penetrated in the metal tube inner chamber, then at the metal tube two ends, set sealed mold, and wherein pass into the pressurized air of 0.1～0.6Mpa the sealed mold of an end from metal tube, pressurize 8～15 minutes, the inorganic nano anti-rot plastic masterbatch of filling a prescription made by outer layer plastic carries out that height is warm to be melted, and it is coated on outer surface of metal pipe, after cooling through check, the packing warehouse-in.
8. method according to claim 7, it is characterized in that described inorganic nano anti-rot plastic masterbatch its preparation method is: the inorganic nano preservative of getting molding powder weight 0.2～8%, by the titanate ester of inorganic nano preservative total amount 1～8% or silane coupling agent with by the fluid wax of molding powder weight 0.1～3% or dioctyl adipate plasticizing agent and by the phenolic antioxidant of molding powder weight 0.3～1.0%, join in inorganic nano preservative powder, and outer reason is flooded in high speed stirring at normal temperatures in 5～30 minutes, then under 90～120 ℃, dry 1～2 hour, make the anticorrosion Active agent of inorganic nano, then that the anticorrosion Active agent of inorganic nano that will make is added in molding powder, even in stirrer for mixing, make inorganic nano anti-rot plastic masterbatch.
9. method according to claim 7, it is characterized in that described inorganic nano antiseptic plastic matrix its preparation method is: 0.1～10% inorganic nano antiseptic of getting plastic pellet weight, to join in the powder of inorganic nano antiseptic by 1～5% titanate ester of inorganic nano antiseptic total amount or silane coupling agent with by plastic pellet weight 0.1～2% fluid wax or dioctyl adipate plasticizing agent and by the phenolic antioxidant of plastic pellet weight 0.3～1.0%, and outer reason is flooded in low-medium speed stirring at normal temperatures in 3～15 minutes, make the inorganic nano antiseptic Active agent, then that the inorganic nano antiseptic Active agent of making is added in plastic pellet, even in stirrer for mixing, melt extrude granulation through single screw rod, make the inorganic nano antiseptic plastic matrix.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105837966A (en) * | 2016-05-31 | 2016-08-10 | 太仓斯普宁精密机械有限公司 | High-stability durable composite part |
| CN105968672A (en) * | 2016-06-06 | 2016-09-28 | 太仓斯普宁精密机械有限公司 | Chemical-resistant stable composite part |
| CN106379005A (en) * | 2016-08-29 | 2017-02-08 | 昆山邦泰汽车零部件制造有限公司 | Metal part surface treatment method |
| CN106674700A (en) * | 2017-01-19 | 2017-05-17 | 福建晟扬管道科技有限公司 | Steel-strip-reinforced antibacterial PE water supply pipe and preparation method thereof |
| CN108641413A (en) * | 2018-05-30 | 2018-10-12 | 贵州遵义塑洲管业有限公司 | A kind of the inorganic nano lubricating auxiliary agent and production technology of PVC plastic pipe processing |
| CN113402832A (en) * | 2021-07-16 | 2021-09-17 | 安庆市悦发管业有限公司 | Laying pipe and preparation process thereof |
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2013
- 2013-08-17 CN CN201310359309.5A patent/CN103486352A/en not_active Withdrawn
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105837966A (en) * | 2016-05-31 | 2016-08-10 | 太仓斯普宁精密机械有限公司 | High-stability durable composite part |
| CN105968672A (en) * | 2016-06-06 | 2016-09-28 | 太仓斯普宁精密机械有限公司 | Chemical-resistant stable composite part |
| CN106379005A (en) * | 2016-08-29 | 2017-02-08 | 昆山邦泰汽车零部件制造有限公司 | Metal part surface treatment method |
| CN106674700A (en) * | 2017-01-19 | 2017-05-17 | 福建晟扬管道科技有限公司 | Steel-strip-reinforced antibacterial PE water supply pipe and preparation method thereof |
| CN108641413A (en) * | 2018-05-30 | 2018-10-12 | 贵州遵义塑洲管业有限公司 | A kind of the inorganic nano lubricating auxiliary agent and production technology of PVC plastic pipe processing |
| CN113402832A (en) * | 2021-07-16 | 2021-09-17 | 安庆市悦发管业有限公司 | Laying pipe and preparation process thereof |
| CN113402832B (en) * | 2021-07-16 | 2022-05-03 | 安庆市悦发管业有限公司 | Laying pipe and preparation process thereof |
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